8ETE

Bile Salt Hydrolase from B. longum with covalent inhibitor bound

• PDB DOI: https://doi.org/10.2210/pdb8ETE/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Bifidobacterium longum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-10-17 Released: 2023-11-01 
• Deposition Author(s): Walker, M.E., Redinbo, M.R.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.284 
• R-Value Work: 0.251 
• R-Value Observed: 0.253 

Literature

Structural diversity of bile salt hydrolases reveals rationale for substrate selectivity

Walker, M.E., Redinbo, M.R.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 71.16 kDa 
• Atom Count: 4,782 
• Modelled Residue Count: 625 
• Deposited Residue Count: 634 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Conjugated bile acid hydrolase	A, B	317	Bifidobacterium longum	Mutation(s): 0  Gene Names: bsh EC: 3.5.1 (PDB Primary Data), 3.5.1.74 (PDB Primary Data), 3.5.1.24 (PDB Primary Data)
UniProt
Find proteins for Q9KK62 (Bifidobacterium longum) Explore Q9KK62  Go to UniProtKB:  Q9KK62

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WU5 (Subject of Investigation/LOI)	C [auth A], D [auth B]	(5R)-1-fluoro-5-[(1R,3aS,3bR,5aR,7R,9aS,9bS,11aR)-7-hydroxy-9a,11a-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]hexan-2-one (non-preferred name) C25 H41 F O2 YECICDGDDQGLJC-QIAJLKNUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.284 
• R-Value Work: 0.251 
• R-Value Observed: 0.253 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 100.085	α = 90
b = 100.085	β = 90
c = 165.187	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-01 
Deposition Author(s): Walker, M.E., Redinbo, M.R.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM135218

Revision History  

• Version 1.0: 2023-11-01
  Type: Initial release